Langer's Sudoku Assistant

       
    
    
3
       
    
    
4
1
2
9
6
7
4
1
7
6
3
3
6
9
2
5
8
9
6
2
8
5
7
1
4
3
6
5
9
3
2
1
7
8
4
3
8
2
3
6
9
7
5
1
6
9
7
1
4
6
8
9
2
3
5
1
7
6
2
9
3
       
    
    
4
       
    
    
5
2
3
8
4
6
7
9
1
4
9
8
5
7
1
3
2
6

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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